Microwave oven



FIG. 1 is a top perspective view of a microwave oven of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The rear view has been omitted and forms no part of the claimed design.

The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a microwave oven, as shown and described. 